Next-Generation Multiphoton Microscopy: Advanced Control, Synchronization, and Automation

Multiphoton microscopy is being shaped by two converging trends. Systems are becoming more complex, integrating faster scanning, multidimensional detection, real-time processing, and automated workflows. At the same time, the technology is moving beyond laboratory demonstrations toward translational research and potential clinical use. This places three system-level requirements at the center: throughput, resolution, and footprint.

In laser-scanning microscopy, spatial images are formed by mapping temporally acquired detector signals onto a scanning trajectory. As scanning becomes faster and trajectories more complex, image quality depends not only on optics, but also on deterministic coordination among scan drive, excitation, detection, positioning, processing, and reconstruction. Fragmented controllers and timing domains can limit speed, compromise spatial fidelity, and enlarge the system footprint.

This presentation examines how advanced control, synchronization, and automation can address these interdependent challenges. A unified timing architecture preserves the time-to-space relationship across different scanning mechanisms, while real-time processing helps maintain image quality at shorter pixel dwell times. Tighter integration reduces the number of separate instruments and interfaces, and programmable workflows improve repeatability and accelerate system development.

Examples will include galvo-galvo, resonant-galvo, and TAG-resonant-galvo scanning, covering conventional raster, high-frame-rate resonant, and complex 3D trajectory imaging. Building on these implementations, the presentation will introduce system architectures for different microscopy modalities, including conventional multiphoton imaging, multiphoton fluorescence lifetime imaging microscopy (FLIM), and multidimensional nonlinear imaging. Together, these examples show how system-level engineering can balance throughput, resolution, and footprint while moving laboratory innovation toward compact, reproducible, and deployable systems.

About the presenter
I-Jan Chen Ph.D. is the Founder and Chairman of Triad Light Innovation (TLI), where he leads the development of advanced microscopy platforms and programmable optical technologies. His work brings together optical system design, deterministic control and synchronization, high-speed signal acquisition, FPGA-based real-time processing, and software algorithms to support flexible and integrated microscopy systems. His multidisciplinary experience spans digital optics, nanomaterials, magnetism, scanning tunneling microscopy, RF signal processing, system architecture, and algorithm development. He is a recipient of Taiwan’s 28th Small and Medium Enterprise Innovation Award.